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Exam (elaborations)

NU 300 Exam 7 Questions and Answers 100% Solved | Latest Update

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  • NU 300
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  • NU 300

NU 300 Exam 7 Questions and Answers 100% Solved | Latest Update describe the outer portion of the eye - sclera (whites), cornea describe the middle portion of the eye - iris/pupil, choroid, ciliary body describe the inner portion of the eye - retina (rods and cones), fovea, macula, optic disc ...

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  • November 1, 2024
  • 21
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • NU 300
  • NU 300
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©NINJANERD 2024/2025. YEAR PUBLISHED 2024.
NU 300 Exam 7 Questions and Answers

100% Solved | Latest Update


describe the outer portion of the eye - ✔✔sclera (whites), cornea

describe the middle portion of the eye - ✔✔iris/pupil, choroid, ciliary body

describe the inner portion of the eye - ✔✔retina (rods and cones), fovea,

macula, optic disc

normal ocular changes with aging - ✔✔presbyopia (far sighted), arcus

senilis (deposit of cholesterol causing a blue/gray ring around iris),

decreased ocular muscles, cataracts, poor night vision, decreased pupil

size, dry eyes, partial loss of color vision

entropion - ✔✔turning inward of eyelid causing lashes to rub against eye

(lower lid usually), caused by eyelid muscle spasms/post-trauma; pain-

feeling of something in the eye

ectropion - ✔✔turning outward and sagging lower eyelid, caused by muscle

relaxation or weakness with aging, leads to corneal drying and ulcers; dry

eyes

,©NINJANERD 2024/2025. YEAR PUBLISHED 2024.
hordeolum/stye - ✔✔staph or strep infection of sweat or sebaceous glands

in eyelid, affects 1 eye at a time, no vision changes

hordeolum/stye s/s - ✔✔surface of eyelid is red, swollen, painful

hordeolum/stye RX - ✔✔warm compress, antibiotic ointment

chalazion - ✔✔inflammation of sebaceous gland in eyelid, protrudes on

inner lid

chalazion s/s - ✔✔redness, tenderness, painless swelling, photophobia,

excessive tearing

keratoconjunctivitis sicca (dry eye syndrome) causes - ✔✔changes in tear

production, tear composition, or tear distribution, antihistamine drugs,

medical conditions, post op eye surgery

entropion concerns - ✔✔corneal abrasion- send to surgery to prevent,

eyedrops

ectropion RX - ✔✔surgery, eye patch, eye drops to avoid infection

keratoconjunctivitis sicca (dry eye syndrome) s/s - ✔✔feels like something

is in their eye, increased mucus production (eye boogers)

conjunctivitis/pink eye causes - ✔✔exposure to allergens/irritants, bacteria,

virus

, ©NINJANERD 2024/2025. YEAR PUBLISHED 2024.
conjunctivitis/pink eye s/s - ✔✔blood shot eye, excessive tears, itching

for bacterial- edema, discharge

trachoma - ✔✔chronic conjunctivitis caused by chlamydia trachomatis;

warm moist areas with poor sanitation

scarred conjunctiva, preventable blindness

what is trachoma incubation period? - ✔✔5-14 days

corneal abrasion/ulceration causes - ✔✔contact lens, small foreign body,

trauma, malnutrition, dry eye syndrome, cancer treatment

MED EMERGENT- ulcerations are lack of blood supply and permanent

vision impairment

keratoconus - ✔✔degeneration of corneal tissue causing abnormal corneal

shape; by trauma or genetic disorder

keratoconus RX - ✔✔keratoplasty (corneal transplant)

keratoplasty teaching - ✔✔take antibiotics until run out, keep protective

patch on until follow up visit (after- wear at night for 1 month and around

kids/pets), lie on non-operative side, avoid activities that increase IOP

keratoplasty complication s/s - ✔✔purulent discharge, leak of clear fluids

(not tears), excessive bleeding, decreased vision, floaters

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